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Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
[QUOTE=antoniovillena;739518]Yes, the floating bus is dirty and tricky but ... -
ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum. The connections a…
... tape loading works fine
[*]Floating bus operation isn't affected (Aquaplane ... -
****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…
... /> [*]A generic spectrum clone without floating bus and shadow screen. This is ... -
Compact Flash Card In "Memory Mode" - (Help)Hello my fellow WoS'ers I have been developing a Z80 8bit interface with a compact flash card port based on Pera's ZXCF "memory mode" interface for …
... mapped approach plus a simple test program:
[url]ftp://ftp ... -
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... draft, anyway -with a little test program to play around with the ... -
Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... and exact info about Pentagon floating bus behavior and timing.[/QUOTE]
Calling people with Diagboards.....and who have toastracks or grey +2's with all socketed memory :) I'm finishing off modifications to the Diagboard firmware to expand its testing c…
[QUOTE]Which 128k machines are you talking about?[/QUOTE]
Oh, yes - we need also good RAM test program for black ZXes, including all RAM switching.FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... them.
A little test program, again with some random junk ...Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... .
Screenshot of the test program:
[url]https://drive ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... soundly broken (hence issues with floating bus, interrupts etc) but there is ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... soundly broken (hence issues with floating bus, interrupts etc) but there is ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... liberty of transcribing that smaller test program to a simple basic loader ... , 244
[/CODE]RUN this program, then after the 'E Out ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... liberty of transcribing that smaller test program to a simple basic loader ... , 244
[/CODE]RUN this program, then after the 'E Out ... tried Saving a wee BASIC program, it made all the proper ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... soundly broken (hence issues with floating bus, interrupts etc) but there is ...Fixing/modding my new +3Hi, In december I won an auction for a working +3 with a dead floppy drive, + a Multiface 3, some disks and tapes, for a very low price (I think nob…
... +3 motherboard with a supposed floating bus fix (resistor between D7 of ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... inserted is functional, switching between test mode and normal mode is ... still works OK (in the test mode) for about 15 minutes ... random tests in the ROM test program and it was still OK ... ]
Freezes after boot RAM test in PAPER 0 screen.DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... .
I made a simple test program and saved it to SD ... .
I can reload this program until there is correct data ...DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... .
I made a simple test program and saved it to SD ... .
I can reload this program until there is correct data ... .[/QUOTE]
Can you test, if same problem is with ...AMX mouse emulationI'm trying to add AMX mouse emulation to Spud but not getting very far. I can get a reaction to button presses but nothing to moving the mouse. …
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vector specified on the bus. If the Z80 is currently ...
is depressed. Thus, the floating bus would cause these bits to ...AMX mouse emulationI'm trying to add AMX mouse emulation to Spud but not getting very far. I can get a reaction to button presses but nothing to moving the mouse. …
...
vector specified on the bus. If the Z80 is currently ...
is depressed. Thus, the floating bus would cause these bits to ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... : I have created a small test program , and the above call works ... know) in ASAM. My simple test program crashes when I compile it ...DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... after reloading my simple BASIC test program (which reads and shows values ...48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... you need to run a test program that really tests the memory ... because the run from a test ROM or a [URL="http ... . But as I have a test ROM, I have never used ...Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... be retrofitted to support the "floating-bus" though.
If you ...Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... by the absence of the floating bus effect, and by changes in ...Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... /Interface/Interface2_Circuitry.htm[/url]
Floating bus support: [url]http://www.secarica ...FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
ZX Spectrum Clock Signal Restorer Circuit[SIZE=5][U][B]ZX Spectrum Clock Signal Restorer Circuit[/B][/U][/SIZE] The circuit below is an experimental circuit. It has only been "tested" using…
... EnJOY!, so I can't test it after the CPU replacement ... ! + SPECTRA) and it loaded the test program every time without errors (20 ...Microdrive-Microdrive incompatibility?Hi All! Finally I could get enough Microdrives and connecting blocks (or cable replacement) to make the largest storage configuration of the classic…
... . There is a good signal test program for Sinclair QL, which I ...
